Home / 1,186,973.95-1,780,463.15-288,416.44

Finding the Fourth Proportional to 1,186,973.95, 1,780,463.15 and 288,416.44

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Solution

The fourth proportional to 1,186,973.95, 1,780,463.15 and 288,416.44 is: 432,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,973.95 : 1,780,463.15 = 288,416.44 : x
  2. Step 2: Convert to fraction form
    1,186,973.95/1,780,463.15 = 288,416.44/x
  3. Step 3: Cross multiply
    1,186,973.95x = 1,780,463.15 × 288,416.44
  4. Step 4: Simplify right side
    1,186,973.95x = 513,514,843,274.19
  5. Step 5: Solve for x
    x = 513,514,843,274.19/1,186,973.95
  6. Step 6: Final answer
    x = 432,625.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.